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arm64: Subscribe Microsoft Azure Cobalt 100 to erratum 3194386

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Add the Microsoft Azure Cobalt 100 CPU to the list of CPUs suffering
from erratum 3194386 added in commit 75b3c43eab ("arm64: errata:
Expand speculative SSBS workaround")

CC: Mark Rutland <mark.rutland@arm.com>
CC: James More <james.morse@arm.com>
CC: Will Deacon <will@kernel.org>
CC: stable@vger.kernel.org # 6.6+
Signed-off-by: Easwar Hariharan <eahariha@linux.microsoft.com>
Link: https://lore.kernel.org/r/20241003225239.321774-1-eahariha@linux.microsoft.com
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Easwar Hariharan 2024-10-03 22:52:35 +00:00 committed by Catalin Marinas
parent b3d6121eae
commit 3eddb108ab
2 changed files with 3 additions and 0 deletions
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2
Documentation/arch/arm64/silicon-errata.rst
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@ -293,3 +293,5 @@ stable kernels.
+----------------+-----------------+-----------------+-----------------------------+
| Microsoft | Azure Cobalt 100| #2253138 | ARM64_ERRATUM_2253138 |
+----------------+-----------------+-----------------+-----------------------------+
| Microsoft | Azure Cobalt 100| #3324339 | ARM64_ERRATUM_3194386 |
+----------------+-----------------+-----------------+-----------------------------+

1
arch/arm64/kernel/cpu_errata.c
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@ -448,6 +448,7 @@ static const struct midr_range erratum_spec_ssbs_list[] = {
MIDR_ALL_VERSIONS(MIDR_CORTEX_X3),
MIDR_ALL_VERSIONS(MIDR_CORTEX_X4),
MIDR_ALL_VERSIONS(MIDR_CORTEX_X925),
MIDR_ALL_VERSIONS(MIDR_MICROSOFT_AZURE_COBALT_100),
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N1),
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N2),
MIDR_ALL_VERSIONS(MIDR_NEOVERSE_N3),